package com.qs.questionnairesurveysystem.service;

import com.qs.questionnairesurveysystem.entity.Admin;
import com.qs.questionnairesurveysystem.entity.User;

import java.util.List;

public interface UserService {

    User getUserById(Long userId);

    List<User> getAllUsers();

    int createUser(User user);

    int updateUser(User user);

    int deleteUser(Long userId);

    User getUserByUsername(String username);
}
